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| Question 1 | |
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| Which option shows the prime factorization of 24? | |
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| A. | 2 × 2 × 3 × 5 | B. | 2 × 3 × 5 | |
| C. | 2 × 2 × 2 × 6 | D. | 2 × 2 × 2 × 3 | |
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| Question 2 | |
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| Which option shows a prime number? | |
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| A. | 88 | B. | 131 | |
| C. | 64 | D. | 62 | |
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| Question 3 | |
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| Which shows the prime factorization for 36? | |
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| A. | 2× 2 ×3×5 | B. | 2× 2 ×32×3 | |
| C. | 2× 2 ×3×3 | D. | 2× 3 ×3×3 | |
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| Question 4 | |
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| What are the common factors of 10 and 21? | |
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| A. | 1, 3, 7 | B. | 1 | |
| C. | 2 | D. | 1, 2, 5, 10 | |
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| Question 5 | |
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| There are few cards on Emily's table. She can divide those cards into groups of 4 cards or groups of 5 cards. Which of the following is a possible number of cards she has on the table?
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| A. | 15 | B. | 12 | |
| C. | 20 | D. | 24 | |
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| Question 6 | |
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| Which option shows all the common factors of 15 and 45? | |
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| A. | 1, 3, 5, 5, 15 | B. | 1, 2, 4, 8 | |
| C. | 1, 5, 15 | D. | 1, 3, 5, 15 | |
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| Question 7 | |
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| What are the factors of 25? | |
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| A. | 1, 5, 25 | B. | 1, 3, 5, 25 | |
| C. | 1, 5 | D. | 1, 25 | |
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| Question 8 | |
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| Find the Greatest Common Factor of 14 and 28. | |
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| A. | 7 | B. | 28 | |
| C. | 2 | D. | 14 | |
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| Question 9 | |
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| Which option below shows the prime factorization of 36? | |
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| A. | 2 × 2 × 3 × 3 | B. | 2 × 3 × 3 × 3 | |
| C. | 2 × 3 × 3 | D. | 2 × 2 × 3 × 3 × 3 | |
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| Question 10 | |
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| Find the Greatest Common Factor(GCF) of 17 and 23. | |
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| A. | 17 | B. | 23 | |
| C. | 1 | D. | 69 | |
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